Satellite map of ozone hole over Antarctic

Satellite map of ozone hole over Antarctic

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Credit: NASA/SCIENCE PHOTO LIBRARY

Caption: Satellite map showing a severe depletion or "hole" in the ozone layer over Antarctica on October 2, 1986 - the Antarctic spring. The hole is probably due to pollution of the atmosphere by chlorofluor- ocarbons used in aerosols & refrigerants. First seen in 1980, the hole has grown each year since. It reaches a maximum in mid-October. It is visible as the oval area at centre, coloured purple, black & grey. Antarctica is outlined in white. The colours stand for Dobson units, a measure of atmospheric ozone, as shown in the colour scale at right. The map was made by the Total Ozone Mapping Spectrometer (TOMS) on the American Nimbus-7 weather satellite.

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Keywords: antarctic, atmosphere, earth science, earth's, hole, in ozone layer, nimbus 7 imagery, ozone, ozone depletion, ozone hole, pollution, sciences

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